Question: 32. The data from exercise 1 follow. xi 1 2 3 4 5 yi 3 7 5 11 14 a. Use equation (14.23) to estimate

32. The data from exercise 1 follow.

xi 1 2 3 4 5 yi 3 7 5 11 14

a. Use equation (14.23) to estimate the standard deviation of yˆ* when x = 4.

b. Use expression (14.24) to develop a 95% confidence interval for the expected value of y when x = 4.

c. Use equation (14.26) to estimate the standard deviation of an individual value of y when x = 4.

d. Use expression (14.27) to develop a 95% prediction interval for y when x = 4.

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